js使用循环清空某个div中的input标签值

<div class="col-xs-9" id="search_songs_a"> 
<table> 
<tbody> 
<tr> 
<th>钢琴曲名称：</th> 
<td><input type="text" name="info[gqq_name]" id="gqq_name" style="width:200px;"/></td> 
<th style="padding-left:10px;">演奏者：</th> 
<td><input type="text" name="info[gqq_player]" id="gqq_player" style="width:200px;"/></td> 
</tr> 
</tbody> 
</table> 
lt;/div> 

<div class="col-xs-9" id="search_songs_b"> 
<table> 
<tbody> 
<tr> 
<th>属 性：</th> 
<td> 
<span><input type="radio" name="info[gqq_shuxing]" value="不限" checked="checked"/><label>不限</label></span> 
<span><input type="radio" name="info[gqq_shuxing]" value="流行钢琴曲"/><label>流行钢琴曲</label></span> 
<span><input type="radio" name="info[gqq_shuxing]" value="古典钢琴曲"/><label>古典钢琴曲</label></span> 
<span><input type="radio" name="info[gqq_shuxing]" value="爵士钢琴曲"/><label>爵士钢琴曲</label></span> 
<span><input type="radio" name="info[gqq_shuxing]" value="钢琴练习曲"/><label>钢琴练习曲</label></span> 
</td> 
</tr> 
</tbody> 
</table> 
lt;/div>

//清空钢琴曲搜索条件 
function clearsongs() 
{ 
$("#search_songs_a :input").each(function () { 
$(this).val(""); 
}); 
$("input[name='info[gqq_shuxing]'][value='不限']").attr("checked",true); 
}